doble M4110 - Setup for a Single-Phase Transformer Test Using the M4130; Setup for a Three-Phase Transformer Test Using the M4110

Leakage Reactance Test Procedures
3-12 72A-2243-01 Rev. B 9/04
September 17, 2004
Setup for a Single-phase Transformer Test Using the M4130
1. Connect the M4100 test set to ground using the ground cable.
2. Connect the M4130 DC power supply cable between the M4130 Leakage
Reactance Module and the M4100 Safety Switch #1 connector.
3. Connect the three sections of user-supplied current leads so as to complete
a circuit from the user-supplied variac, across the winding to be energized,
through the M4130 Leakage Reactance Module, and back to the variac
(see Figure 3.5 M4130 Setup (a)).
4. Connect the black and white leads from one end of the voltage cable
across the same winding as the current leads, and the leads from the other
end to the M4130 Leakage Reactance Module Voltage Input Terminals,
observing the color coding of the leads. THE CURRRENT AND
VOLTAGE CABLES CONNECTED TO THE BLACK TERMINALS
ON THE M4130 MUST BE CONNECTED TO THE SAME
TRANSFORMER BUSHING, AND THE CURRENT CABLE
CONNECTED TO THE RED M4130 TERMINAL MUST BE
CONNECTED TO THE SAME BUSHING AS THE VOLTAGE CABLE
CONNECTED TO THE WHITE M4130 TERMINAL (See Figure 3.5
M4130 Setup (a) or Figure 3.6 M4130 Setup (b)).
5. Jumper together the two terminals of the opposite winding (see Figure 3.5
M4130 Setup (a) or Figure 3.6 M4130 Setup (b)).
6. Connect the Red and Blue leads between the M4100 and the M4130
Leakage Reactance Module, observing the color coding.
7. Connect the M4200c and the M4100 to your AC power source.
Setup for a Three-phase Transformer Test Using the M4110
1. Connect the M4100 test set to ground using the ground cable.
2. Connect the M4110 Leakage Reactance Interface ground cable to ground.
Make sure the M4100 and M4110 test ground leads are connected to a
common ground point.
3. If performing a Per-Phase test
, connect one end of the voltage source leads
across a phase of a winding (such as H
3
–H
1
or H
3
-H
0
), and the other end
to the M4110 Leakage Reactance Interface Output Terminals, matching
the terminal colors to those of the lead connectors. If performing a Three
Phase Equivalent test, connect one end of the voltage source leads across
two phase terminals (the neutral bushing is not used), and the other end to
the M4110 Leakage Reactance Interface Output Terminals, matching the
terminal colors to those of the lead connectors